Most listings are in the $20's per square foot per year. The Houston Metro region is experiencing a decrease in rates. In the last 3 months, the median rate decreased $2 per sqft per year. That's a 8% decline in rent.
In the last 90 days, 2937 listings have come on the market, so you'll want to check back regularly for new listings. About 3% of the available space in the Houston Metro are subleases, so you will probably need to sign a longer term lease with the landlord directly. There aren't many listings below 2,000 square feet posted, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,180 sqft. Most properties in this region are approximately 2 stories. Most buildings in this area were built in 1983 and are Class B.